Allison Wang created SPARK-44561:
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Summary: Fix AssertionError when converting UDTF output to a
complex type
Key: SPARK-44561
URL: https://issues.apache.org/jira/browse/SPARK-44561
Project: Spark
Issue Type: Sub-task
Components: PySpark
Affects Versions: 3.5.0
Reporter: Allison Wang
{code:java}
class TestUDTF:
def eval(self):
yield {'a': 1, 'b': 2},
udtf(TestUDTF, returnType="x: map<string,int>")().show() {code}
This will fail with:
File "pandas/_libs/lib.pyx", line 2834, in pandas._libs.lib.map_infer
File "python/pyspark/sql/pandas/types.py", line 804, in convert_map
assert isinstance(value, dict)
AssertionError
Same for `convert_struct`
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